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INERTIAL INSTRUMENT SYSTEM FOR AERIAL SURVEYING.

Geological Survey Professional Paper (United States)

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Abstract

The purpose of this report is to describe an inertial guidance or navigation system that will enable use of relatively light aircraft for efficient data-gathering in geologgy, hydrology, terrain mapping, and gravity-field mapping. The instrument system capitalizes not only on virtual state-of-the-art inertial guidance technology but also on similarly advanced technology for measuring distance with electromagnetic radiating devices. The distance measurement can be made with a transceiver beamed at either a cooperative taget, with a specially designed reflecting surface, or a noncooperative target, such as the Earth's surface. The instrument system features components that use both techniques. Thus, a laser tracker device, which updates the inertial guidance unit or navigator in flight, makes distance measurements to a retroreflector target mounted at a ground-control point; a laser profiler device, beamed vertically downward, makes distance measurements to the Earth's surface along a path that roughly mirrors the aircraft flight path.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
INERTIAL INSTRUMENT SYSTEM FOR AERIAL SURVEYING.
Series title:
Geological Survey Professional Paper (United States)
Year Published:
1987
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geological Survey Professional Paper (United States)
Number of Pages:
110